Foliage: Speed tree wind is reset for every add/remove/update on instances

UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018

Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...

Keep World option for Attach / Detach to / from Component does not replicate properly to clients

UE - Networking - Aug 23, 2018

Using Attach To Component and Detach From Component with the Keep World option for the Location/Rotation/Scale rules does not replicate properly to clients. This does work when using AttachToActor a ...

Unable to name a component if the name was used on a deleted component

Tools - Jan 29, 2015

When deleted a component in the in world component editor, that name cannot be used for another component until the editor has been restarted. ...

When the engine version updated, partial data of TMap/TSet type of DataTable is missing

UE - Foundation - Core - Jan 7, 2019

When updating to 4.21, Element previously added to DataTable is missing. This only occur when you move to 4.21. If it change from 4.19 to 4.20, DataTable will keep data. it can restore broken data b ...

Ansel Wont Work if the Project is Still Open

UE - Graphics Features - May 22, 2019

Ansel wont work if the same project is still open while running the packaged version. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.

UE - Anim - Sequencer - Jul 25, 2019

Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...

Spot Lights don't work on Magic Leap if Cast Shadows is disabled.

UE - Platform - Mobile - Aug 26, 2019

Spot lights don't work at all with Cast Shadows disabled on the Magic Leap. Cast Shadows must but enabled even though they don't work. This can also be demonstrated in the Vulcan render preview in ...

Take Recorder crashes if actor with animation despawns during recording

UE - Anim - Sequencer - Mar 8, 2021

Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...

Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.

UE - Platform - Mobile - Jun 25, 2021

The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...